cve/2018/CVE-2018-7340.md

### [CVE-2018-7340](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7340)
![](https://img.shields.io/static/v1?label=Product&message=Duo%20Network%20Gateway&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-287%3A%20Improper%20Authentication&color=brighgreen)

### Description

Duo Network Gateway 1.2.9 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

### POC

#### Reference
- https://www.kb.cert.org/vuls/id/475445

#### Github
No PoCs found on GitHub currently.